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| 校验继电器 | |||
| 核对断电器 | |||
| check relay: 11 phrases in 7 subjects |
| Automobiles | 1 |
| Electric machinery | 1 |
| Electronics | 3 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Sports | 1 |
| Technology | 3 |
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